Introduction to the group sculptures "Working together for a great cause": The group sculptures "Working together for a great cause" located on the "discussing platform" at the north end of the axis are created based on the historical story of Cao Cao discussing affairs and seeking the world. It is majestic, romantic and exaggerated, deep and profound. The molded green plants outside the square are in the shape of a simplified zigzag pattern, which has a Chinese classical temperament and a unique historical and cultural atmosphere.